My wife wants to get a couple of guinea pigs, and I'm cool with it. I just know that they are very delicate animals because I used to have some when I was really young and they would always die. I guess I am most concerned about the room temperature because the book says to keep the temperature between 64-74 degrees, but here in Southern California it gets hot as hell in our apartment and when I blast the air conditioner at 72 degrees, I'm lucky to get the apartment lower that 85 degrees. I don't know if that's too hot for them. I also don't want to leave the air conditioner running all day because that gets expensive. Any information would be appreciated.